2318 KOYO Da max. 177 mm 90x190x64mm Self aligning ball bearings
| Bore Diameter (mm) | 90 |
| Bearing number | 2318 |
| Size (mm) | 90x190x64 |
| Brand | KOYO |
| Outer Diameter (mm) | 190 |
| Width (mm) | 64 |
| d | 90 mm |
| D | 190 mm |
| B | 64 mm |
| C | 64 mm |
| r min. | 3 mm |
| da min. | 103 mm |
| Da max. | 177 mm |
| ra max. | 2.5 mm |
| Weight | 8.44 Kg |
| Basic dynamic load rating (C) | 153 kN |
| Basic static load rating (C0) | 57.9 kN |
| (Grease) Lubrication Speed | 2800 r/min |
| (Oil) Lubrication Speed | 3900 r/min |
| Calculation factor (e) | 0.34 |
| Calculation factor (Y0) | 1.93 |
| Calculation factor (Y1) | 1.84 |
Detailed Parameters
parameter：
| 42687/42620 Tapered roller bearings | Brand:ISB ，Outer Diameter :127mm ，Size :76.2x127x30.162mm ，Bore Diameter :76.2mm ，Width :30.162mm |
| NU312 E Cylindrical roller bearings | Size :60x130x31mm ，Brand:CX ，Bore Diameter :60mm ，Outer Diameter :130mm ，Width :31mm |
| NN4921C1NAP4 Cylindrical roller bearings | Brand:NTN ，Width :40mm ，Size :105x145x40mm ，Bore Diameter :105mm ，d:105 mm ，Outer Diameter :145mm |
| R166-2TS Deep groove ball bearings | Width :3.175mm ，Bore Diameter :4.763mm ，Size :4.763x9.525x3.175mm ，d:4.763 mm ，Brand:ZEN ，Outer Diameter :9.525mm |
| NK55/25 Needle roller bearings | Bore Diameter :55mm ，Brand:AST ，Width :25mm ，Outer Diameter :68mm ，Size :55x68x25mm |
| 627LLU Deep groove ball bearings | Width :7.000mm ，Size :7x22x7mm ，d:7.000 mm ，Brand:NTN ，Bore Diameter :7.000mm ，Outer Diameter :22.000mm |
| SX04A77 Angular contact ball bearings | Outer Diameter :47.000mm ，Size :20x47x18mm ，Bore Diameter :20.000mm ，Brand:NTN |
| CES207-22 Deep groove ball bearings | b:1.9 mm ，B2:17.5 mm ，d1:55.6 mm ，G:5/16-24UNF ，S:8.5 mm ，r:1.5 |
| 204KRR2 Deep groove ball bearings | Size :20.24x47x20.96mm ，Brand:CYSD ，Outer Diameter :47mm ，Bore Diameter :20.24mm |
| NKS32 Needle roller bearings | Size :32x47x22mm ，Width :22mm ，Outer Diameter :47mm ，Fw:32 mm ，Brand:INA ，Bore Diameter :32mm |
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